Dallas began his career in September 2012 posting vines of himself playing jokes and pranks on his friends and family.

In 2014, Dallas had 8.1 million followers on Vine, making him the 11th most followed account, and 11.3 million followers on Twitter. In addition to this Dallas has approximately 21 million followers on Instagram.

In April 2014, AwesomenessTV CEO Brian Robbins announced he was making a movie starring Dallas.

The movie, titled Expelled, was released later that year on December 12, 2014.